crushable by only the Heavy tanks (Bulldog, Reaper and bigger) and T3 bots.
Now only crushable by Bantha, Thor, Korgoth and Juggernaut. (removed Fatboy, Sumo, Razorback and Catapult)
Also crushing T1/T2 walls will push back units a little bit, and also induce a little damage while doing so.
crushable by only Battleships and Flagships.